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<p>[QUOTE=&quot;BadThad, post: 680452, member: 17261&quot;]That verdigris is not going anywhere with acetone (or any other organic solvent).</p><p>&nbsp;</p><p>Soak the coin in distilled water to solubilize the verdigris acids. If you want to continue down the safe conservation path, you should move to xylene next. Acetone has done all it can at this point IMO. Xylene will not remove the verdigris either, but if there&#039;s any acetone insoluble organics left on the surface, it will remove those.[/QUOTE]</p><p><br /></p>

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